Robuta

https://openwall.com/lists/kernel-hardening/2016/12/15/35
kernelhardeningpatchmakestatic
https://flathub.org/en/apps/eu.ithz.umftpd
Jan 21, 1970 - Access your files from another device
ftp serverinstallusermodelinuxflathub
https://kernelnewbies.org/KernelProjects/usermode-helper
linux kernelkernelprojectsusermodehelpernewbies
https://openwall.com/lists/kernel-hardening/2016/12/16/2
kernelhardeningpatchmakestatic
https://openwall.com/lists/kernel-hardening/2016/12/14/33
kernelhardeningpatchmakestatic
https://fex-emu.com/
A fast linux usermode x86 and x86-64 emulator
fexemufastlinuxusermode